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    • 5. 发明授权
    • Cup sidewall stock unwind stand
    • 杯侧壁库存展开架
    • US5330126A
    • 1994-07-19
    • US866552
    • 1992-04-10
    • Gregory I. Grischenko
    • Gregory I. Grischenko
    • B65H16/02B65H19/10B65H19/18B65H23/032B65H23/08
    • B65H23/0326B65H16/021B65H19/10B65H19/1852B65H19/1863B65H23/085B65H2301/41398B65H2405/4222B65H2405/4226
    • An unwind stand for unwinding rolled material is disclosed in which a movable carriage mounted on a stationary frame includes at least two roll holders adapted to support a roll of material and a shifting mechanism connected to the movable carriage for moving the carriage between a first unwinding position in which a first roll of material supported by a first roll holder is positioned for unwinding, and a second unwinding position in which a second roll of material supported by a second roll holder is positioned for unwinding. Once a roll is in the unwinding position, the shifting mechanism also functions to maintain the material unwinding from the roll in an alignment position in response to an alignment detector by making fine adjustments to the lateral position of the carriage. The unwind stand may also include a rotatable wheel connected to a carrier slidably mounted on a rodless cylinder for applying a radial braking force to the roll of material, thereby imparting tension to the unwinding material. The rotatable wheel may include a pair of friction discs surrounding a portion of the wheel which can be adjustably compressed to control the slip torque of the wheel, thereby further controlling the tension of the unwinding material.
    • 公开了一种用于展开轧制材料的展开架,其中安装在固定框架上的可移动滑架包括至少两个适于支撑一卷材料的辊架,以及连接到可移动滑架的换档机构,用于在第一展开位置 其中由第一辊保持器支撑的第一卷材料定位成用于展开,以及第二退绕位置,其中由第二辊保持器支撑的第二卷材料定位用于展开。 一旦卷轴处于退绕位置,换档机构还用于通过对托架的横向位置进行微调,来响应于对准检测器,将材料从卷轴退回到对准位置。 展开架还可以包括连接到可滑动地安装在无杆气缸上的托架的可旋转轮,用于向材料卷施加径向制动力,从而对退绕材料施加张力。 可旋转轮可以包括一对围绕轮的一部分的摩擦盘,其可以被可调节地压缩以控制车轮的滑动扭矩,由此进一步控制展开材料的张力。